Suggestions by @boogie

Samara Weaving

as Sophie in Mamma Mia!

Score: +2

Kate Winslet

as Donna in Mamma Mia!

Score: +1

Warwick Davis

as Gary in Joker

Score: +1

John Carroll Lynch

as Randall in Joker

Score: +1

Ted Levine

as Detective Garrity in Joker

Score: +1

James Ransone

as Detective Burke in Joker

Score: +1

Alec Baldwin

as Thomas Wayne in Joker

Score: +2

Jessica Lange

as Penny Fleck in Joker

Score: +1

Emmy Raver-Lampman

as Sophie Dumond in Joker

Score: +1

Bryan Cranston

as Murray Franklin in Joker

Score: 0

Tobey Maguire

as Arthur Fleck in Joker

Score: -1

Taye Diggs

as Paul Kelly in Heathers

Score: +1

David Harbour

as Bill Sweeney in Heathers

Score: +1

Tracee Ellis Ross

as Ms. Flemming in Heathers

Score: +1

Jordan Fisher

as Kurt Kelly in Heathers

Score: +1

Jake Austin Walker

as Ram Sweeney in Heathers

Score: +1

Madison De La Garza

as Martha Dunnstock in Heathers

Score: +1

Tiffany Espensen

as Heather Duke in Heathers

Score: +1

Sabrina Carpenter

as Heather McNamara in Heathers

Score: +1

Katherine McNamara

as Heather Chandler in Heathers

Score: +1